- there are no unwanted effects on IE or other browsers
- existing Opera versions are also not affected
- make no entries to the registry
- work with every Windows PC (Company,Internetcafe, Friends,..)
- leave no data on the guestcomputer

What do i need for Opera@USB ?
- a computer with an internet connection
- a USB-Stick / USB Flashdrive with about 8-15 MB space left